diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Target/PowerPC/README.txt | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/README.txt b/lib/Target/PowerPC/README.txt index 9ab35fe484..050f614291 100644 --- a/lib/Target/PowerPC/README.txt +++ b/lib/Target/PowerPC/README.txt @@ -434,3 +434,21 @@ int f(signed char *a, _Bool b, _Bool c) { if (c) *a = t; } +===-------------------------------------------------------------------------=== + +This: +int test(unsigned *P) { return *P >> 24; } + +Should compile to: + +_test: + lbz r3,0(r3) + blr + +not: + +_test: + lwz r2, 0(r3) + srwi r3, r2, 24 + blr + |